JPS61174294U - - Google Patents
Info
- Publication number
- JPS61174294U JPS61174294U JP5682885U JP5682885U JPS61174294U JP S61174294 U JPS61174294 U JP S61174294U JP 5682885 U JP5682885 U JP 5682885U JP 5682885 U JP5682885 U JP 5682885U JP S61174294 U JPS61174294 U JP S61174294U
- Authority
- JP
- Japan
- Prior art keywords
- cone
- outer periphery
- protective groove
- edge
- groove part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5682885U JPS61174294U (es) | 1985-04-18 | 1985-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5682885U JPS61174294U (es) | 1985-04-18 | 1985-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174294U true JPS61174294U (es) | 1986-10-30 |
Family
ID=30580795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5682885U Pending JPS61174294U (es) | 1985-04-18 | 1985-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174294U (es) |
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1985
- 1985-04-18 JP JP5682885U patent/JPS61174294U/ja active Pending